667443303242 has 16 divisors (see below), whose sum is σ = 1044711473472. Its totient is φ = 319206634560.

The previous prime is 667443303217. The next prime is 667443303257. The reversal of 667443303242 is 242303344766.

667443303242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 667443303193 and 667443303202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4586642 + ... + 4729922.

It is an arithmetic number, because the mean of its divisors is an integer number (65294467092).

Almost surely, 2^667443303242 is an apocalyptic number.

667443303242 is a deficient number, since it is larger than the sum of its proper divisors (377268170230).

667443303242 is a wasteful number, since it uses less digits than its factorization.

667443303242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244573.

The product of its (nonzero) digits is 1741824, while the sum is 44.

The spelling of 667443303242 in words is "six hundred sixty-seven billion, four hundred forty-three million, three hundred three thousand, two hundred forty-two".